[go: up one dir, main page]

JP7184442B2 - 液晶表示装置 - Google Patents

液晶表示装置 Download PDF

Info

Publication number
JP7184442B2
JP7184442B2 JP2021514272A JP2021514272A JP7184442B2 JP 7184442 B2 JP7184442 B2 JP 7184442B2 JP 2021514272 A JP2021514272 A JP 2021514272A JP 2021514272 A JP2021514272 A JP 2021514272A JP 7184442 B2 JP7184442 B2 JP 7184442B2
Authority
JP
Japan
Prior art keywords
liquid crystal
retardation film
axis
group
axis direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2021514272A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021523423A (ja
Inventor
ヨン・ジン・キム
キョン・ド・パク
デ・ヒ・イ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Chem Ltd
Original Assignee
LG Chem Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Publication of JP2021523423A publication Critical patent/JP2021523423A/ja
Application granted granted Critical
Publication of JP7184442B2 publication Critical patent/JP7184442B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3083Birefringent or phase retarding elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers
    • G02F1/133531Polarisers characterised by the arrangement of polariser or analyser axes
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363Birefringent elements, e.g. for optical compensation
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • G02F1/134363Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363Birefringent elements, e.g. for optical compensation
    • G02F1/133634Birefringent elements, e.g. for optical compensation the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2413/00Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/02Number of plates being 2
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2413/00Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/06Two plates on one side of the LC cell
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2413/00Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/12Biaxial compensators
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2413/00Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/13Positive birefingence

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Geometry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
JP2021514272A 2018-06-01 2019-06-03 液晶表示装置 Active JP7184442B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2018-0063443 2018-06-01
KR20180063443 2018-06-01
PCT/KR2019/006638 WO2019231301A1 (ko) 2018-06-01 2019-06-03 액정 표시 장치

Publications (2)

Publication Number Publication Date
JP2021523423A JP2021523423A (ja) 2021-09-02
JP7184442B2 true JP7184442B2 (ja) 2022-12-06

Family

ID=68698342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021514272A Active JP7184442B2 (ja) 2018-06-01 2019-06-03 液晶表示装置

Country Status (7)

Country Link
US (1) US11467449B2 (zh)
EP (1) EP3805852A4 (zh)
JP (1) JP7184442B2 (zh)
KR (1) KR102167213B1 (zh)
CN (1) CN111886538B (zh)
TW (1) TWI708079B (zh)
WO (1) WO2019231301A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102564216B1 (ko) * 2020-01-03 2023-08-04 삼성에스디아이 주식회사 편광판 및 이를 포함하는 광학표시장치

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006330268A (ja) 2005-05-25 2006-12-07 Teijin Ltd 液晶表示装置およびそれに用いられる光学フィルム
JP2007147884A (ja) 2005-11-25 2007-06-14 Nitto Denko Corp 液晶表示装置
US20100157207A1 (en) 2008-12-23 2010-06-24 Lg Display Co., Ltd In-plane switching mode liquid crystal display device and method of fabricating the same
JP2011039176A (ja) 2009-08-07 2011-02-24 Nitto Denko Corp 液晶パネル及び液晶表示装置
JP2013238770A (ja) 2012-05-16 2013-11-28 Fujifilm Corp 液晶表示装置
JP2014513325A (ja) 2011-04-13 2014-05-29 エルジー・ケム・リミテッド 光学フィルム
JP2015031822A (ja) 2013-08-02 2015-02-16 富士フイルム株式会社 液晶表示装置
JP2017173672A (ja) 2016-03-25 2017-09-28 日東電工株式会社 光学補償層付偏光板およびそれを用いた有機elパネル
WO2019017483A1 (ja) 2017-07-21 2019-01-24 富士フイルム株式会社 液晶表示装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI251103B (en) 2004-02-27 2006-03-11 Chi Mei Optoelectronics Corp Optical compensator for liquid crystal display
US7511792B2 (en) 2005-07-29 2009-03-31 Lg Chem, Ltd. In-plane switching liquid crystal display having simple structure
TWI406899B (zh) * 2006-09-05 2013-09-01 Tosoh Corp Optical compensation film and phase difference film
JP5252615B2 (ja) * 2007-01-09 2013-07-31 日東電工株式会社 液晶パネル、及び液晶表示装置
JP5308063B2 (ja) 2007-07-12 2013-10-09 日東電工株式会社 液晶パネルおよび液晶表示装置
KR101197162B1 (ko) * 2008-08-27 2012-11-09 주식회사 엘지화학 면상 스위칭 모드 액정 표시 장치
KR20100060091A (ko) 2008-11-27 2010-06-07 동우 화인켐 주식회사 상판 편광판 및 이를 포함하는 면상 스위칭 모드 액정표시장치
KR101314480B1 (ko) 2008-12-26 2013-10-07 주식회사 엘지화학 면상 스위치 모드 lcd용 편광판 및 이를 포함하는 면상 스위치 모드 lcd
KR101545925B1 (ko) 2008-12-31 2015-08-21 엘지디스플레이 주식회사 블루 페이즈 모드 횡전계방식 액정표시장치
KR20100106838A (ko) 2009-03-24 2010-10-04 동우 화인켐 주식회사 복합구성 편광판 세트 및 이를 포함하는 면상 스위칭 모드 액정표시장치
KR101525996B1 (ko) 2011-11-14 2015-06-04 제일모직주식회사 액정 디스플레이
JP6331027B2 (ja) 2011-12-19 2018-05-30 エルジー・ケム・リミテッド 偏光板
KR20130073149A (ko) 2011-12-23 2013-07-03 에스케이이노베이션 주식회사 위상차 필름, 이를 포함하는 하부 편광판 및 액정표시장치
JP2015025830A (ja) * 2013-03-29 2015-02-05 富士フイルム株式会社 液晶表示装置
JP6581796B2 (ja) * 2015-03-31 2019-09-25 日東電工株式会社 液晶パネルおよび液晶表示装置
KR20180063443A (ko) 2016-12-02 2018-06-12 현대자동차주식회사 차량용 계기판

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006330268A (ja) 2005-05-25 2006-12-07 Teijin Ltd 液晶表示装置およびそれに用いられる光学フィルム
JP2007147884A (ja) 2005-11-25 2007-06-14 Nitto Denko Corp 液晶表示装置
US20100157207A1 (en) 2008-12-23 2010-06-24 Lg Display Co., Ltd In-plane switching mode liquid crystal display device and method of fabricating the same
JP2011039176A (ja) 2009-08-07 2011-02-24 Nitto Denko Corp 液晶パネル及び液晶表示装置
JP2014513325A (ja) 2011-04-13 2014-05-29 エルジー・ケム・リミテッド 光学フィルム
JP2013238770A (ja) 2012-05-16 2013-11-28 Fujifilm Corp 液晶表示装置
JP2015031822A (ja) 2013-08-02 2015-02-16 富士フイルム株式会社 液晶表示装置
JP2017173672A (ja) 2016-03-25 2017-09-28 日東電工株式会社 光学補償層付偏光板およびそれを用いた有機elパネル
WO2019017483A1 (ja) 2017-07-21 2019-01-24 富士フイルム株式会社 液晶表示装置

Also Published As

Publication number Publication date
CN111886538A (zh) 2020-11-03
US20210116761A1 (en) 2021-04-22
KR20190137723A (ko) 2019-12-11
US11467449B2 (en) 2022-10-11
WO2019231301A1 (ko) 2019-12-05
EP3805852A4 (en) 2021-07-21
TWI708079B (zh) 2020-10-21
KR102167213B1 (ko) 2020-10-20
TW202004235A (zh) 2020-01-16
JP2021523423A (ja) 2021-09-02
EP3805852A1 (en) 2021-04-14
CN111886538B (zh) 2023-11-21

Similar Documents

Publication Publication Date Title
CN103221881A (zh) 液晶薄膜
JP2009227667A (ja) 化合物および該化合物を含む光学フィルム
US20120013834A1 (en) Liquid crystal film
US11314007B2 (en) Circularly polarizing plate
JP7184442B2 (ja) 液晶表示装置
US11384235B2 (en) Retardation film, polarizing plate comprising same, and liquid crystal display device comprising same
KR102584388B1 (ko) 위상차 필름, 이를 포함하는 편광판, 이를 포함하는 액정표시장치 및 위상차 필름의 제조 방법
KR20080046572A (ko) 네가티브 c-플레이트형 광학 이방성 필름 및 이를포함하는 액정 표시 장치
KR102113420B1 (ko) 위상차 필름, 이를 포함하는 편광판 및 이를 포함하는 액정표시장치
KR102366379B1 (ko) 위상차 필름 형성용 조성물, 위상차 필름, 이를 포함하는 편광판 및 이를 포함하는 액정표시장치
KR102382167B1 (ko) 위상차 필름, 이의 제조 방법, 이를 포함하는 편광판 및 이를 포함하는 액정표시장치
KR102366380B1 (ko) 위상차 필름 형성용 조성물, 위상차 필름, 이를 포함하는 편광판 및 이를 포함하는 액정표시장치
WO2023176672A1 (ja) 光学フィルムおよび視角制御システム
JP6759617B2 (ja) 樹脂組成物

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20201118

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20211129

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20211206

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220304

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20220509

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220902

C60 Trial request (containing other claim documents, opposition documents)

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20220902

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20220914

C21 Notice of transfer of a case for reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C21

Effective date: 20220920

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20221024

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20221117

R150 Certificate of patent or registration of utility model

Ref document number: 7184442

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150